::-webkit-scrollbar {
  width: 0;
}

.scrollbar {
  display: block;
  width: 6px;
  position: absolute;
  right: 0;
  top: 0;
  background-color: rgba(0, 0, 0, 0.2);
  border-radius: 3px;
  visibility: hidden;
  opacity: 0;
  -webkit-transition: visibility 300ms ease, opacity 300ms ease;
  transition: visibility 300ms ease, opacity 300ms ease;
}

.scrollbar.show {
  visibility: visible;
  opacity: 1;
}
